Archivo mensual: junio 2015

Plants have additional features that are not present in animal cells. a- Revisit the animations from last lesson, and construct a Venn diagram to show differences and similarities between animal and plant cells. b- Take a picture to the diagram … Sigue leyendo →

INTRODUCTION Many plant tissues change colour when exposed to the air. The enzymes that produce the coloured products may be affected by pH. INVESTIGATION You will investigate the effect of pH on the production of these coloured products formed on … Sigue leyendo →

Enzymes are proteins that act as biological catalysts. There are factors that affect the activity of them. In this experience, you are going to investigate how temperature affects the activity of CATALASE. Catalase breaks down hydrogen peroxide into … Sigue leyendo →

Hi all! Welcome to our new topic: CELLS We have already learnt that there are multicellular and unicellular organisms. That is to say, that some living organisms are made of one cell and others of more than one cell. So….what … Sigue leyendo →